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Concept

Scale factor (cosmology)

Related lectures (29)

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Explores the Milky Way's structure and galaxy classification based on the Hubble-De Vaucouleurs Sequence.

Historical Perspective of Cosmology Log in to Mediaspace to watch this video

Explores the historical evolution of cosmology, covering key concepts and scientific revolutions in the field.

Modern Cosmology: Observatories and Instruments Log in to Mediaspace to watch this video

Explores the effects of COVID-19 on observatories, focusing on ESO and JWST.

Modern Cosmology Basics Log in to Mediaspace to watch this video

Explores the impact of COVID-19 on astronomy and the European Southern Observatory, delves into the Friedmann equations, and discusses the concept of dark energy.

Basics of Modern Cosmology - 2 Log in to Mediaspace to watch this video

Explores luminosity distance, the Einstein field equation, Stephen Hawking's contributions, and the cosmological principle, among other cosmological concepts.

Recombination and Decoupling: Origins of Cosmic Microwave Background Log in to Mediaspace to watch this video

Covers the processes of recombination and decoupling of photons, explaining their significance in the origin of the cosmic microwave background.

Evidence for Dark Matter: Galactic Rotation Curves and Clusters Log in to Mediaspace to watch this video

Explores evidence for dark matter in galactic rotation curves and clusters, as well as cosmological concepts like the Robertson-Walker metric and inflation.

Inhomogeneities in the Universe Log in to Mediaspace to watch this video

Delves into gravitational instability, structures formation, and CMB temperature, exploring the inhomogeneities in the Universe.

Dark Matter and Cosmology Log in to Mediaspace to watch this video

Explores dark matter evidence, cosmic microwave background, dark matter properties, candidates, supersymmetry, and detection methods.